I am currently trying to make heatmaps of bird observations in an area. I have had a lot of success making the actual heatmaps for most birds, except the ones that are extremely abundant. I use the ...

Do US Federal Agencies have a convention for coloring the lands under the jurisdiction of each? For example, BLM lands are often yellow, USFS light green, NPS blue or dark green, etc. I've found this, ...

I have followed the exact steps from http://www.gislounge.com/how-to-make-area-cartogram-maps-in-arcgis/ and downloaded from arcscripts.esri.com. After adding the cartogram tool into the toolbox and I ...

Public participatory GIS is going to be one of the most important part of GIS in my view. I would like to ask you all, what are available tools/platforms for not just basic web mapping? I'm user of ...

Sometimes a plot looks zoomed in how to arrange that?
i use the rgeos package mainly. When i do a buffer for example somewhere the plot tends to zoom in some part of the map which is not good since it ...

Pretty straightforward maths question that I can't wrap my head around. If you were to fill the globe with 0.025°x0.025° squares, how many would it take?
Poles don't matter too much - I know they'd ...

I am using mapsforge but I have problem with street names.I would like to develop an offline vector map for a city like osmAnd offline map or an offline vector map in mapnik format.Could you please ...

What softwares can I use to make maps of:
ethnic distribution, very detailed map like this one: https://en.wikipedia.org/wiki/File:Austria_Hungary_ethnic.svg
Linguistic distribution (I cannot paste ...

I have a map control that I've created on a dojo TabContainer. When I try to zoom using the mouse wheel on this map, it pans instead of zooms. The pan actually travels several extents on one turn of ...

I need to get the start and the end point of each line in a shape file. in my case these lines represents pipelines. I need to get the start and the end points of each pipeline in an excel sheet and ...

So it's been a couple years since I've looked for a new solution for this, but I recently have a newer project manager who really wants "chemboxes", basically labels/callouts with tabular data. I've ...

I'm trying to make a pretty shaded relief map using the technique described here.
I've done this process several times in the past without any problems but today am perplexed about what is going on. ...

I have been trying to display two values simultaneously i.e. one absolute value displayed by bubble size (as with layer wizard: bubble) and one relative value displayed by color (as with layer wizard: ...

I have question on masking.
I have vegetation group layer.
Under vegetation group layer, there are 3 layer which are V_Vegetation_Miscellaneous_A, V_Vegetation_Agriculture_A, V_Vegetation_Forest_A.
...

I am not too familiar with techniques, and was looking for ways to make a slope map for a given area. It ended with finding this site and posting the question.
We are in the process of zoning a new ...

I was wondering if there are any good rules which can be adopted when making maps that are only going to be used digitally in PowerPoint, and what the best format to export is (tiffs, pdfs, jpegs)?
...

I have a PDF file of the internal floor plan of a large business building (~ 302x434 feet). This file has walls (exterior and interior), door swings, and furniture. There are no measurements or scales ...

I have a working choropleth map which shows number of patients in a certain coloured area. I want to raise the height of the specific area according to the patient count. The variable height is equal ...